NEW YORK (Reuters) – Foreigners bought long-term U.S. securities in February after selling them the previous month, data from the U.S. Treasury Department showed on Wednesday. Net buying of long-term U.S. assets totalled $9.8 billion (7 billion pounds) in February after an outflow of $27.4 billion in January. Including short-dated assets such as bills, overseas investors bought a net $4.1 billion in February after a revised inflow of $51 billion the month before. Data also showed that Japan is now the largest holder of U.S. Treasuries, eclipsing China. …